Question

2) (20 pts) A lens of focal length +20cm is placed 50cm to the left of a mirror of focal length 40cm. An object is located 60cm to the left of the lens (follow sign conventions). A) (10 pts) for the intermediate image: i) What is the image distance (relative to the lens)? ii) What is the magnification? iii) For each of the following, circle the answer that describes the quality of the image: Real / Virtual Upright / Inverted Enlarged / Reduced B) (10 pts) for the final image (as compared to the intermediate image): i) What is the image distance (relative to the mirror)? ii) What is the magnification? iii) For each of the following, circle the answer that describes the quality of the image: Real / Virtual Upright / Inverted Enlarged / Reduced

Answer 1

1. 
   boum 50 au f=-40 f=20 T u= -60m, ta - weng lens formula t = tot 20 60 = - t 3. 60 ✓ 30am BO 30) u magnification .60 ₂ m = cal invented Redured
   
   mono object dis-tauen fay -450-30) 4: - - 20 << = -40 t 1116 using farmola +- + u - 1+2 1 + 1 시 20 40 -40 40 am b time - (40 magrafication -20 o tomar may rafication = two, listaal & upright Enlarged
   i